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output: fix crash in output_test_with_back_buffer()

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The output->impl->test check has been removed, but
output_test_with_back_buffer() hasn't been updated accordingly.

Closes: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/3506
Fixes: 3be6658ee7 ("output: allocate swapchain on first commit")
This commit is contained in:
Simon Ser 2022-10-10 12:08:06 +02:00
parent 99f55303aa
commit 650f955507
1 changed files with 3 additions and 1 deletions
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4
types/output/render.c
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@ -166,7 +166,9 @@ static bool output_attach_empty_back_buffer(struct wlr_output *output,
static bool output_test_with_back_buffer(struct wlr_output *output,
const struct wlr_output_state *state) {
assert(output->impl->test != NULL);
if (output->impl->test == NULL) {
return true;
}
// Create a shallow copy of the state with the empty back buffer included
// to pass to the backend.